How to change Xfce4 resolution?

Hello, this is my first topic and post here. So, be cool. :P

I have installed FreeBSD and Xfce4 as DE in my Dell Laptop with Intel hardware and the (only) resolution option that appears is 1024x768. I'm sure that my native resolution is 1366x768 or 1368x768 (can't remember correctly). The only file that I know where I can change the resolution is xorg.conf.new and I will put it here using Pastebin.

Pastebin: http://pastebin.com/rRpX7qYF

Thanks in advance.
 
How about posting your /var/log/Xorg.0.log to pastebin too. Any time I'm troubleshooting a problem with X, I start with the log file since that tells exactly what X is doing, not what I think it should be doing. :)

From Xorg configutaion manual:
Display subsection
Modes "mode-name" ...
This optional entry specifies the list of video modes to use. Each mode-name specified must be in double quotes. They must correspond to those specified or referenced in the appropriate Monitor section (including implicitly referenced built-in VESA standard modes). The server will delete modes from this list which don't satisfy various requirements. The first valid mode in this list will be the default display mode for startup. The list of valid modes is converted internally into a circular list. It is possible to switch to the next mode with Ctrl+Alt+Keypad-Plus and to the previous mode with Ctrl+Alt+Keypad-Minus. When this entry is omitted, the valid modes referenced by the appropriate Monitor section will be used. If the Monitor section contains no modes, then the selection will be taken from the built-in VESA standard modes.

Edited to fix the path to Xorg.0.log and add Xorg snippet.
 
The vesa driver usually does not support higher resolutions. Please identify your processor. The intel KMS driver supports up to Ivy Bridge processors. If you a compatible processor, follow the instructions at Installing KMS Ports to update X to provide the KMS drivers.
 
I can't open Xorg.0.log on Mousepad, the text editor that comes with xfce.
I already tried to edit some other files from xorg in my searches but it didn't work. And I can't change the resolution with Ctrl+Alt+Keypad-Plus or Ctrl+Alt+Keypad-Minus.
Sorry.

My intel card is IvyBridge so is compatible.
I was doing the KMS Ports installation, but appeared some error. And it keep doing the error if I restart the installation.
Pastebin: http://pastebin.com/9H5Xv7dz
 
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